Question 7.10: Modeling a Two-Tank Liquid-Level System with Simulink Consid...
Modeling a Two-Tank Liquid-Level System with Simulink
Consider the two-tank liquid-level system in Example 7.5. Construct a Simulink block diagram to find the liquid levels h_{1}(t) and h_{2}(t). Assume \rho=1000 \mathrm{~kg} / \mathrm{m}^{3}, g=9.81 \mathrm{~m} / \mathrm{s}^{2}, A_{1}=2 \mathrm{~m}^{2}, A_{2}=3 \mathrm{~m}^{2}, R_{1}=R_{2}=R_{3}=400 \mathrm{~N} \cdot \mathrm{s} /\left(\mathrm{kg} \cdot \mathrm{m}^{2}\right), and initial liquid heights h_{1}(0)=1 \mathrm{~m} and h_{2}(0)=0 \mathrm{~m}. The pump pressure \Delta p is a step function with a magnitude of 0 before t=0 \mathrm{~s} and a magnitude of 130 \mathrm{kPa} after t=0 \mathrm{~s}.
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